Wire-cable-gripping device.



G. MOE.

WIRE CABLE GRIPPING DEVICE.

APPLICATION FILED ocT. I4. 1914.

1,21 8,442. V Patented Mar. 6, 1917.

Ki ix" w GE RHARD 1VIOE, LADYSMITH, WISCONSIN.

WIRE- CABLE- GRIPPIN G DEVICE.

Specification of Letters Patent.

Patented Mar. 6, 1917.

Application filed October 1 1, 1914. Serial No. 866,665.

To all whom z'tmay concern:

Be it known that I, GERIIARD Mon, a citizen of the United States,residing at the city of Ladysmith, county of Rusk, and State of\Visconsin, have invented new and useful Improvements inlVire-Cable-Gripping Devices, of which the following is a specification.

My invention relates to improvements in that class of gripping deviceswhich are adapted to be usedin connection with wire cables, and itpertains more especially, among other things, to the mechanism forforcing the gripping jaws into binding con tact with such cable, as thelatter isbeing drawn forward by the gripping arms.

My invention is explained by reference to the accompanying drawings inwhich- Figure 1 represents the under side of one form of my device inwhich two movable gripping members are employed to grip-the wire cable.

Fig. 2 represents the under side of an-' other form of gripping deviceprovided with one movable gripping member.

Fig. 3 is a sectional view drawn on line X X of Fig. 2. v

Fig. 4 is a detail showing a side view of a part of the device shown inFig. 2.

Like parts are identified by the same ref-' erence numerals throughoutthe several views.

l is a wire cable, which may be used for extracting stumps, movingautomobiles, boats and a variety of other purposes. When in use, one endof the cable is adapted to be attached to a movable object, the otherend to a movable lever, and an intermediate portion of said cable isattached to a stationary object. The movable object is adapted to bemoved forwardly with a step by step movement in the ordinary way by thealternate movement of a pair of gripping members along said cable ashereinafter described.

The gripping mechanism is moved along the cable by the action of thearms 2, 2, and the arms 2,- 2 are adapted to be pivotally connected attheir opposite ends, not shown, with an operating lever in.the ordinarymanner. By the form of gripping mechanism shown in Fig. 1, two movablegripping members 3, 3 are employed, and such gripping members arepivotally supported from Fig. 1, the arms 2 are preferably connectedwith the frame 4 by a pivotal bolt or trunnion 8. When, however, Iemploy a single movable grip member 10 and a single'link 9, as shown inFig. 2, the arms 2 are connected directly with the movable grip member10 by the bolt or trunnion 11, as shown in Fig. 2, whereby the forwardpull upon the arms 2, 2 is communicated to the gripping member 10.

It will be understood that the protruding end of the grip member 10 iscurved upwardly and to one side so as to be brought directly above thecable 1, as shown in Fig. 2, while the trunnion 8 is connected with theframe 4 directly above the cable. Re-' ferring to Fig. 2, the gripmember 10 and link 9 co'o'perat'e with the stationary grip member 12,whereby as said grip member 10 is drawn forwardly by the action of oneof the arms 2 the cable 1 is forced over against the stationary gripmember 12 by the action of a movable grip member 10.

It will also be understood that the grip members 10 and 12, as well asthe grip members 3, are provided with spiral grooves adapted to conformin shape to and nicely fit and extend partially around the exteriorsurface of the cable 1, whereby as such grip members are broughttogether they will be caused to firmly impinge the surface of saidcable, whereby they are prevented from slipping thereon, as the cable isdrawn forwardly by the action of the arms 2. Thegrip mechanismcomprising the gripping members 10 and 12 and link 9 are supported fromthe frame 14 and-are retained in place in said frame by the plates 15and 16, and said plates are secured to the frame by a plurality ofscrews 17.

It' will also be understood that the grip mechanism shown in Fig. 1 issecured to the frame 4 by the plates 18 and 19, and said plates areretained in place by a plurality of screws 20.

While I have shown and described two different forms of frames and twodifferent styles of grip mechanism in Figs. 1 and 2, I wish it to beunderstood that the arms 2 are adapted to be used with either style, butnot with both styles at the same time. In both styles, however, thegripping members 3, 3 and 10 are adapted, in like manner, to impingeagainst the opposing surface of the cable 1, as the arms 2 are drawnforward in the act of pulling a stump or moving any other object. Toprevent the frame 1% from moving forward with the gripping member 10 asit might otherwise do, under some circumstances as such grip member ispulled forward by one of the arms 2, I have provided a locking arm 21which arm is pivotally connected with the frame l t by the lug 22, andpivotal bolt 23. The arm 21 is provided with a closely fitting aperture24 for the reception of the cable 1, whereby as the locking member 10 isdrawn forwardly by the action of the arm 2 the frame 14 is preventedfrom being moved by the friction of said gripping member 10, by theaction of said arm 21, as the arm 21 is caused to firmly grip the cable1 as the frame 14: starts to move forwardly, whereby the forwardmovement of the frame it is arrested and the gripping member 10 is freeto move rearwardly a slight distance in such frame, as it is thr wn intogripping contact with the cable 1 by the action of the link 9. By theform shown in Fig. 1 1 preferably employ-springs 5, 5, which springs arerigidly connected at one end to the frame 4 and bear at their oppositeend against the links 5, whereby said links are retained in their properrelative position to said frame and the gripping members 3.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is-

1. In a device of the described class, the combination of a pair ofmovable frames, a pair of reciprocating arms respectively pivotallyconnected with said frames, apair of grip members located in each ofsaid frames, a link having pivotal bearings at one end with one of saidmovable grip members and at its opposite end with one side of saidframes, and means for retaining said links and grip members in saidframes.

2. In a device of the described class, the combination of a pair ofreciprocating arms, a pair of movable frames, a stationary grip memberand a movable grip member in each of said frames, a link having pivotalbearings at one end with one of said movable grip members and at itsopposite end with one of said frames, means for pivotally connecting oneof said arms with one of said movable grip members, means for retainingsaid links and grip members in said frames, an arm pivotally connectedat one end with one of said frames, provided at its opposite end with anaperture for the reception of said cable, said arms being adapt-ed toengage the cable and prevent said frames from being moved forward by thefriction of the grip members as the latter is brought into grippingengagement with said cable.

In testimony whereof I affix my signature in the presence of twowitnesses.

GERHARD MOE. Witnesses JAS. B. ERWIN, IRMA D. BREMER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

